637 Think Tank EP-CMIII Eyepiece for Hydrophobia (Canon)

EP-CMIII is required to use any of the Hydrophobia rain covers with the Canon EOS 1D Mark IV, 1D Mark III, and 1Ds Mark III

Compatible with:
EOS 1D Mk IV
EOS 1Ds Mk III
EOS 1D Mk III
Olympus E3
Olympus E30 Hydrophobia 300-600 V2.0
Hydrophobia 70-200
Hydrophobia Flash 70-200


Technical Specifications:

• No Rhetoric Warranty Policy 
• Custom computer numerically controlled (CNC) machined, high-density foam padding.